WASHINGTON, March 24 -- Federal Aviation Administration has issued a proposed rule called: Airworthiness Directives; Pratt & Whitney Division Engines.
The proposed rule was published in the Federal Register on March 24 by Peter A. White, Deputy Director, Integrated Certificate Management Division, Aircraft Certification Service.
Summary: The FAA proposes to adopt a new airworthiness directive (AD) for certain Pratt & Whitney Division (PW) Model PW4074D, PW4077D, PW4084D, PW4090, and PW4090-3 engines. This proposed AD was prompted by the discovery of a quality escape involving incorrect shot peening on certain high-pressure compressor (HPC) drum rotor disk assemblies. This proposed AD would require visually inspecting the HPC drum rotor di...